21396432

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{809}}^1$

素因数の和:868

約数の個数: 80

約数和(自身を含む): 60264000

約数和(自身を除く): 38867568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 29, 38, 48, 57, 58, 76, 87, 114, 116, 152, 174, 228, 232, 304, 348, 456, 464, 551, 696, 809, 912, 1102, 1392, 1618, 1653, 2204, 2427, 3236, 3306, 4408, 4854, 6472, 6612, 8816, 9708, 12944, 13224, 15371, 19416, 23461, 26448, 30742, 38832, 46113, 46922, 61484, 70383, 92226, 93844, 122968, 140766, 184452, 187688, 245936, 281532, 368904, 375376, 445759, 563064, 737808, 891518, 1126128, 1337277, 1783036, 2674554, 3566072, 5349108, 7132144, 10698216, 21396432]

約数ペア:

[(1, 21396432), (2, 10698216), (3, 7132144), (4, 5349108), (6, 3566072), (8, 2674554), (12, 1783036), (16, 1337277), (19, 1126128), (24, 891518), (29, 737808), (38, 563064), (48, 445759), (57, 375376), (58, 368904), (76, 281532), (87, 245936), (114, 187688), (116, 184452), (152, 140766), (174, 122968), (228, 93844), (232, 92226), (304, 70383), (348, 61484), (456, 46922), (464, 46113), (551, 38832), (696, 30742), (809, 26448), (912, 23461), (1102, 19416), (1392, 15371), (1618, 13224), (1653, 12944), (2204, 9708), (2427, 8816), (3236, 6612), (3306, 6472), (4408, 4854)]